<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.name" placeholder="姓名"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary"  v-perm="'department:list'" v-on:click="deptQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-perm="'department:save'" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表
    sortable: 排序
id	2
sn	"dept2"
name	"部门2"
dirPath	"/2"
state	1
manager_id	325
manager	null
parent_id	null
parent	null
children	[]
    -->
    <el-table :data="departments"  highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="部门名字" width="120" sortable>
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="120" sortable>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门领导" width="120" sortable>
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" width="120" sortable>
      </el-table-column>


      <el-table-column prop="state" label="是否启用" width="100"  sortable>
        <template scope="scope">
          <el-span style="color: green" v-if="scope.row.state==1" size="small" >启用</el-span>
          <el-span style="color: red" v-else-if="scope.row.state==0" size="small" >禁用</el-span>
        </template>
      </el-table-column>


      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" v-perm="'department:save'" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" v-perm="'department:delete'" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" v-perm="'department:delete'" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination
          layout="prev, pager, next"
          @current-change="handleCurrentChange"
          :page-size="pageSize"
          :total="totals"
          style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面-->
    <el-dialog title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">

        <el-form-item label="部门名称" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>




        <el-form-item label="部门状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="上级部门" prop="parent_id">
          <!--<el-input v-model="editForm.parent_id"></el-input>-->
          <el-cascader v-model="editForm.parent_id"
              :options="deptTree"
              :props="{
                checkStrictly: true,
                label:'name',
                value: 'id'
              }"
              clearable></el-cascader>
        </el-form-item>
        <!--
          v-for:循环
          label:  展示的名字
          value:  向后端传的值
        -->

        <el-form-item label="部门经理" prop="manager_id">
          <el-select  clearable v-model="editForm.manager_id" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :label="item.username"
                :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>


  </section>
</template>






<script>

export default {
  data() {
    return {
      deptTree:[],
      employees: '',
      title:'',
      filters: {
        name: ''
      },
      departments: [],
      totals: 0,
      currentPage: 1,
      pageSize: 8,
      state: 1,
      listLoading: false,
      sels: [],//列表选中列

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,
      editFormRules: {
        name: [
          { required: true, message: '请输入姓名', trigger: 'blur' }
        ]
      },
      //编辑界面数据
      editForm: {
        id: null,
        sn: '',
        name: '',
        state: 0,
        manager_id: null,
        parent_id: null,

      },

      addFormVisible: false,//新增界面是否显示
      addLoading: false,
      addFormRules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' }
        ],
        sn:[
        { required: true, message: '请输入部门编号', trigger: 'blur' }
      ]
      },
    }
  },
  methods: {
    //查询部门数
    getDeptTree(){
      this.$http.get("/department/deptTree")
      .then(res=>{//后台返回一个list
          this.deptTree = res.data;

      }).catch(res=>{

      })
    },
    getEmployees(){
      this.$http.get("employee")
      .then(res=>{
        this.employees = res.data;
      })
    },
    deptQuery() {
      this.currentPage = 1;
      this.getDepartment();
    },
    handleCurrentChange(currentPage) {
      this.currentPage = currentPage;
      //重新发送请求
      this.getDepartment();
    },
    //获取用户列表p
    getDepartment() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keywords: this.filters.name// 高级查询才使用
      };
      //开启忙等框
      this.listLoading = true;
      //发送请求 axios 需要配置axios全局
      this.$http.post("/department", para)
          .then(res => { //res: PageList: {totals:xx,rows: xx}

            //关闭忙等框
            this.listLoading = false;
            this.departments = res.data.rows;
            this.totals = res.data.totals;

          }).catch(res => {
        this.$message.error('系统繁忙,稍后再试');
      })

    },
    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '温馨提示', {
        type: 'warning'
      }).then(() => { //点击确认删除
        this.listLoading = true; //忙等框
        //发送请求
        this.$http.delete("/department/" + row.id)
            .then(res => {
              this.listLoading = false; //关闭忙等框

              if (res.data.success) {
                this.$message({
                  message: '删除成功',
                  type: 'success'
                });

              } else {
                this.$message({
                  message: res.data.msg,
                  type: 'error'
                });
              }
              //重新发送请求，刷新页面
              this.currentPage = 1,
                  this.getDepartment();
            }).catch(res => {
          this.$message({
            message: '系统繁忙，稍后重试',
            type: 'error'
          })
        });


      }).catch(() => { //取消删除

      });
    },

    //显示编辑界面
    handleEdit: function (index, row) {
      this.getEmployees();
      this.getDeptTree();
      this.title = "修改"
      this.editFormVisible = true;
      //克隆一份数据,然后回显
      this.editForm = Object.assign({}, row);
    },
    //显示新增界面
    handleAdd: function () {
      this.getEmployees();
      this.getDeptTree();
      this.title = "新增"
      this.editFormVisible = true;
      this.editForm = {
        id: null,
        sn: '',
        name: '',
        state: 0,
        manager_id: null,
        parent_id: null,

      }
    },
    //提交按钮
    editSubmit: function () {
      //表单校验
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '温馨提示', {}).then(() => {
            this.editLoading = true; //忙等框

            //克隆数据
            let para = Object.assign({}, this.editForm);
            //先从para中获取parent_id  null:没有选择上级部门, []:选了,又删除了  [2,7,18]选了
            let arr = para.parent_id;
            if(arr && arr.length==0){
              //后台通过Long接收
              para.parent_id = null;
            }
            if(arr && arr.length>0){
              //后台通过Long接收
              para.parent_id = arr[arr.length-1];
            }


            //发送请求
            this.$http.put("/department", para)
                .then(res => {
                  this.editLoading = false; //关闭忙等框
                  if (res.data.success) {
                    this.$message({
                      message: '添加成功',
                      type: 'success'
                    });
                  } else {
                    this.$message({
                      message: res.data.msg,
                      type: 'error'
                    });
                  }
                  // 关闭模态框
                  this.editFormVisible = false;
                  this.getDepartment();
                  //刷新页面
                }).catch(res => {
              this.$message({
                message: '系统繁忙，稍后重试',
                type: 'error'
              })
            })
          })
        }
      })
    },


    //新增
    addSubmit: function () {
      this.$refs.addForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.addLoading = true;
            //NProgress.start();
            let para = Object.assign({}, this.addForm);
            para.birth = (!para.birth || para.birth == '') ? '' : util.formatDate.format(new Date(para.birth), 'yyyy-MM-dd');
            addUser(para).then((res) => {
              this.addLoading = false;
              //NProgress.done();
              this.$message({
                message: '提交成功',
                type: 'success'
              });
              this.$refs['addForm'].resetFields();
              this.addFormVisible = false;
              this.getDepartment();
            });
          });
        }
      });
    },
    selsChange: function (sels) {
      this.sels = sels;

    },
    //批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id); //{1，2，3，4，5，6}
      this.$confirm('确认删除选中记录吗？', '温馨提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true; //开启忙等框
        this.$http.patch("/department", ids)
            .then(res => {
              if (res.data.success) {
                this.$message({
                  message: '删除成功',
                  type: 'success'
                });
              } else {
                this.$message({
                  message: res.data.msg,
                  type: 'error'
                })
              }
              this.currentPage = 1;
              this.getDepartment();

            }).catch(res => {
          this.$message({
            message: '系统异常，稍后重试',
            type: 'error'
          })

        })
      })
    }
  },

    mounted() {
      this.getDepartment();
    }
}




</script>









<style scoped>

</style>